Home / 10,697.68-16,048.52-4,123.28

Finding the Fourth Proportional to 10,697.68, 16,048.52 and 4,123.28

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Solution

The fourth proportional to 10,697.68, 16,048.52 and 4,123.28 is: 6,185.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,697.68 : 16,048.52 = 4,123.28 : x
  2. Step 2: Convert to fraction form
    10,697.68/16,048.52 = 4,123.28/x
  3. Step 3: Cross multiply
    10,697.68x = 16,048.52 × 4,123.28
  4. Step 4: Simplify right side
    10,697.68x = 66,172,541.55
  5. Step 5: Solve for x
    x = 66,172,541.55/10,697.68
  6. Step 6: Final answer
    x = 6,185.69

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.